Emerging Infectious Diseases
Volume 21, Number 1—January 2015
http://wwwnc.cdc.gov/eid/
Continuing Effectiveness of Serogroup A Meningococcal Conjugate Vaccine, Chad, 2013 PDF Version [PDF – 499 KB – 4 pages]
K. Gamougam et al.
Emerging Infectious Diseases
Volume 21, Number 1—January 2015
http://wwwnc.cdc.gov/eid/
Continuing Effectiveness of Serogroup A Meningococcal Conjugate Vaccine, Chad, 2013 PDF Version [PDF – 499 KB – 4 pages]
K. Gamougam et al.